Mercurial > projects > ldc
annotate dmd/module.c @ 1124:e7f0c2b48047
Fix a bug where ::warning() was called with a va_list argument instead of an
actual vararg list.
Also cleaned up the format for warnings. (Previously some would start with
"warning - warning - Warning:" which was a bit redundant)
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Wed, 18 Mar 2009 15:03:17 +0100 |
parents | b30fe7e1dbb9 |
children | eeb8b95ea92e |
rev | line source |
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336 | 1 |
2 // Compiler implementation of the D programming language | |
3 // Copyright (c) 1999-2007 by Digital Mars | |
4 // All Rights Reserved | |
5 // written by Walter Bright | |
6 // http://www.digitalmars.com | |
7 // License for redistribution is by either the Artistic License | |
8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
9 // See the included readme.txt for details. | |
10 | |
11 #include <stdio.h> | |
12 #include <stdlib.h> | |
13 #include <assert.h> | |
14 | |
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15 #if (defined (__SVR4) && defined (__sun)) |
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16 #include <alloca.h> |
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17 #endif |
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18 |
336 | 19 #if _MSC_VER || __MINGW32__ |
20 #include <malloc.h> | |
21 #endif | |
22 | |
23 #if IN_GCC | |
24 #include "gdc_alloca.h" | |
25 #endif | |
26 | |
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27 #include "rmem.h" |
336 | 28 |
29 #include "mars.h" | |
30 #include "module.h" | |
31 #include "parse.h" | |
32 #include "scope.h" | |
33 #include "identifier.h" | |
34 #include "id.h" | |
35 #include "import.h" | |
36 #include "dsymbol.h" | |
37 #include "hdrgen.h" | |
38 #include "lexer.h" | |
39 | |
40 #define MARS 1 | |
41 #include "html.h" | |
42 | |
43 #ifdef IN_GCC | |
44 #include "d-dmd-gcc.h" | |
45 #endif | |
46 | |
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47 |
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48 #include "llvm/Support/CommandLine.h" |
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49 |
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50 static llvm::cl::opt<bool> preservePaths("op", |
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51 llvm::cl::desc("Do not strip paths from source file"), |
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52 llvm::cl::ZeroOrMore); |
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53 |
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54 static llvm::cl::opt<bool> fqnNames("oq", |
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55 llvm::cl::desc("Write object files with fully qualified names"), |
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56 llvm::cl::ZeroOrMore); |
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57 |
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58 |
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59 |
336 | 60 ClassDeclaration *Module::moduleinfo; |
61 | |
62 Module *Module::rootModule; | |
63 DsymbolTable *Module::modules; | |
64 Array Module::amodules; | |
65 | |
66 Array Module::deferred; // deferred Dsymbol's needing semantic() run on them | |
67 unsigned Module::dprogress; | |
68 | |
69 void Module::init() | |
70 { | |
71 modules = new DsymbolTable(); | |
72 } | |
73 | |
74 Module::Module(char *filename, Identifier *ident, int doDocComment, int doHdrGen) | |
75 : Package(ident) | |
76 { | |
77 FileName *srcfilename; | |
78 | |
79 // printf("Module::Module(filename = '%s', ident = '%s')\n", filename, ident->toChars()); | |
80 this->arg = filename; | |
81 md = NULL; | |
82 errors = 0; | |
83 numlines = 0; | |
84 members = NULL; | |
85 isHtml = 0; | |
86 isDocFile = 0; | |
87 needmoduleinfo = 0; | |
88 #ifdef IN_GCC | |
89 strictlyneedmoduleinfo = 0; | |
90 #endif | |
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91 selfimports = 0; |
336 | 92 insearch = 0; |
93 searchCacheIdent = NULL; | |
94 searchCacheSymbol = NULL; | |
95 searchCacheFlags = 0; | |
96 semanticstarted = 0; | |
97 semanticdone = 0; | |
98 decldefs = NULL; | |
99 vmoduleinfo = NULL; | |
100 massert = NULL; | |
101 marray = NULL; | |
102 sictor = NULL; | |
103 sctor = NULL; | |
104 sdtor = NULL; | |
105 stest = NULL; | |
106 sfilename = NULL; | |
107 root = 0; | |
108 importedFrom = NULL; | |
109 srcfile = NULL; | |
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110 objfile = NULL; |
336 | 111 docfile = NULL; |
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112 hdrfile = NULL; |
336 | 113 |
114 debuglevel = 0; | |
115 debugids = NULL; | |
116 debugidsNot = NULL; | |
117 versionlevel = 0; | |
118 versionids = NULL; | |
119 versionidsNot = NULL; | |
120 | |
121 macrotable = NULL; | |
122 escapetable = NULL; | |
123 doppelganger = 0; | |
124 cov = NULL; | |
125 covb = NULL; | |
126 | |
127 srcfilename = FileName::defaultExt(filename, global.mars_ext); | |
128 if (!srcfilename->equalsExt(global.mars_ext) && | |
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129 !srcfilename->equalsExt(global.hdr_ext) && |
336 | 130 !srcfilename->equalsExt("dd")) |
131 { | |
132 if (srcfilename->equalsExt("html") || | |
133 srcfilename->equalsExt("htm") || | |
134 srcfilename->equalsExt("xhtml")) | |
135 isHtml = 1; | |
136 else | |
137 { error("source file name '%s' must have .%s extension", srcfilename->toChars(), global.mars_ext); | |
138 fatal(); | |
139 } | |
140 } | |
141 srcfile = new File(srcfilename); | |
142 | |
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143 // LDC |
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144 llvmForceLogging = false; |
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145 this->doDocComment = doDocComment; |
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146 this->doHdrGen = doHdrGen; |
336 | 147 } |
148 | |
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149 File* Module::buildFilePath(const char* forcename, const char* path, const char* ext) |
336 | 150 { |
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151 const char *argobj; |
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152 if (forcename) |
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153 argobj = forcename; |
336 | 154 else |
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155 { |
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156 if (preservePaths) |
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157 argobj = (char*)this->arg; |
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158 else |
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159 argobj = FileName::name((char*)this->arg); |
336 | 160 |
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161 if (fqnNames) |
643 | 162 { |
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163 if(md) |
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164 argobj = FileName::replaceName((char*)argobj, md->toChars()); |
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165 else |
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166 argobj = FileName::replaceName((char*)argobj, toChars()); |
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167 |
643 | 168 // add ext, otherwise forceExt will make nested.module into nested.bc |
169 size_t len = strlen(argobj); | |
170 size_t extlen = strlen(ext); | |
171 char* s = (char *)alloca(len + 1 + extlen + 1); | |
172 memcpy(s, argobj, len); | |
173 s[len] = '.'; | |
174 memcpy(s + len + 1, ext, extlen + 1); | |
175 s[len+1+extlen] = 0; | |
176 argobj = s; | |
177 } | |
336 | 178 } |
179 | |
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180 if (!FileName::absolute(argobj)) |
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181 { |
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182 argobj = FileName::combine(path, argobj); |
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183 } |
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184 |
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185 FileName::ensurePathExists(FileName::path(argobj)); |
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186 |
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187 // always append the extension! otherwise hard to make output switches consistent |
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188 // if (forcename) |
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189 // return new File(argobj); |
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190 // else |
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191 // allow for .o and .obj on windows |
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192 #if _WIN32 |
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193 if (ext == global.params.objdir && FileName::ext(argobj) |
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194 && stricmp(FileName::ext(argobj), global.obj_ext_alt) == 0) |
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195 return new File(argobj); |
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196 #endif |
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197 return new File(FileName::forceExt(argobj, ext)); |
336 | 198 } |
199 | |
580
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200 void Module::buildTargetFiles() |
336 | 201 { |
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202 if(objfile && |
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203 (!doDocComment || docfile) && |
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204 (!doHdrGen || hdrfile)) |
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205 return; |
336 | 206 |
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207 if(!objfile) |
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208 objfile = Module::buildFilePath(global.params.objname, global.params.objdir, global.obj_ext); |
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209 if(doDocComment && !docfile) |
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210 docfile = Module::buildFilePath(global.params.docname, global.params.docdir, global.doc_ext); |
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211 if(doHdrGen && !hdrfile) |
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212 hdrfile = Module::buildFilePath(global.params.hdrname, global.params.hdrdir, global.hdr_ext); |
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213 |
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214 // safety check: never allow obj, doc or hdr file to have the source file's name |
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215 if(stricmp(FileName::name(objfile->name->str), FileName::name((char*)this->arg)) == 0) |
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216 { |
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217 error("Output object files with the same name as the source file are forbidden"); |
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218 fatal(); |
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219 } |
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220 if(docfile && stricmp(FileName::name(docfile->name->str), FileName::name((char*)this->arg)) == 0) |
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221 { |
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222 error("Output doc files with the same name as the source file are forbidden"); |
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223 fatal(); |
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224 } |
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225 if(hdrfile && stricmp(FileName::name(hdrfile->name->str), FileName::name((char*)this->arg)) == 0) |
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226 { |
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227 error("Output header files with the same name as the source file are forbidden"); |
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228 fatal(); |
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229 } |
336 | 230 } |
231 | |
232 void Module::deleteObjFile() | |
233 { | |
234 if (global.params.obj) | |
235 objfile->remove(); | |
236 //if (global.params.llvmBC) | |
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237 //bcfile->remove(); |
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238 if (doDocComment && docfile) |
336 | 239 docfile->remove(); |
240 } | |
241 | |
242 Module::~Module() | |
243 { | |
244 } | |
245 | |
246 const char *Module::kind() | |
247 { | |
248 return "module"; | |
249 } | |
250 | |
251 Module *Module::load(Loc loc, Array *packages, Identifier *ident) | |
252 { Module *m; | |
253 char *filename; | |
254 | |
255 //printf("Module::load(ident = '%s')\n", ident->toChars()); | |
256 | |
257 // Build module filename by turning: | |
258 // foo.bar.baz | |
259 // into: | |
260 // foo\bar\baz | |
261 filename = ident->toChars(); | |
262 if (packages && packages->dim) | |
263 { | |
264 OutBuffer buf; | |
265 int i; | |
266 | |
267 for (i = 0; i < packages->dim; i++) | |
268 { Identifier *pid = (Identifier *)packages->data[i]; | |
269 | |
270 buf.writestring(pid->toChars()); | |
271 #if _WIN32 | |
272 buf.writeByte('\\'); | |
273 #else | |
274 buf.writeByte('/'); | |
275 #endif | |
276 } | |
277 buf.writestring(filename); | |
278 buf.writeByte(0); | |
279 filename = (char *)buf.extractData(); | |
280 } | |
281 | |
282 m = new Module(filename, ident, 0, 0); | |
283 m->loc = loc; | |
284 | |
285 /* Search along global.path for .di file, then .d file. | |
286 */ | |
287 char *result = NULL; | |
288 FileName *fdi = FileName::forceExt(filename, global.hdr_ext); | |
289 FileName *fd = FileName::forceExt(filename, global.mars_ext); | |
290 char *sdi = fdi->toChars(); | |
291 char *sd = fd->toChars(); | |
292 | |
293 if (FileName::exists(sdi)) | |
294 result = sdi; | |
295 else if (FileName::exists(sd)) | |
296 result = sd; | |
297 else if (FileName::absolute(filename)) | |
298 ; | |
299 else if (!global.path) | |
300 ; | |
301 else | |
302 { | |
303 for (size_t i = 0; i < global.path->dim; i++) | |
304 { | |
305 char *p = (char *)global.path->data[i]; | |
306 char *n = FileName::combine(p, sdi); | |
307 if (FileName::exists(n)) | |
308 { result = n; | |
309 break; | |
310 } | |
311 mem.free(n); | |
312 n = FileName::combine(p, sd); | |
313 if (FileName::exists(n)) | |
314 { result = n; | |
315 break; | |
316 } | |
317 mem.free(n); | |
318 } | |
319 } | |
320 if (result) | |
321 m->srcfile = new File(result); | |
322 | |
323 if (global.params.verbose) | |
324 { | |
325 printf("import "); | |
326 if (packages) | |
327 { | |
328 for (size_t i = 0; i < packages->dim; i++) | |
329 { Identifier *pid = (Identifier *)packages->data[i]; | |
330 printf("%s.", pid->toChars()); | |
331 } | |
332 } | |
333 printf("%s\t(%s)\n", ident->toChars(), m->srcfile->toChars()); | |
334 } | |
335 | |
336 m->read(loc); | |
337 m->parse(); | |
338 | |
339 #ifdef IN_GCC | |
340 d_gcc_magic_module(m); | |
341 #endif | |
342 | |
343 return m; | |
344 } | |
345 | |
346 void Module::read(Loc loc) | |
347 { | |
348 //printf("Module::read('%s') file '%s'\n", toChars(), srcfile->toChars()); | |
349 if (srcfile->read()) | |
350 { error(loc, "cannot read file '%s'", srcfile->toChars()); | |
351 fatal(); | |
352 } | |
353 } | |
354 | |
355 inline unsigned readwordLE(unsigned short *p) | |
356 { | |
357 #if __I86__ | |
358 return *p; | |
359 #else | |
360 return (((unsigned char *)p)[1] << 8) | ((unsigned char *)p)[0]; | |
361 #endif | |
362 } | |
363 | |
364 inline unsigned readwordBE(unsigned short *p) | |
365 { | |
366 return (((unsigned char *)p)[0] << 8) | ((unsigned char *)p)[1]; | |
367 } | |
368 | |
369 inline unsigned readlongLE(unsigned *p) | |
370 { | |
371 #if __I86__ | |
372 return *p; | |
373 #else | |
374 return ((unsigned char *)p)[0] | | |
375 (((unsigned char *)p)[1] << 8) | | |
376 (((unsigned char *)p)[2] << 16) | | |
377 (((unsigned char *)p)[3] << 24); | |
378 #endif | |
379 } | |
380 | |
381 inline unsigned readlongBE(unsigned *p) | |
382 { | |
383 return ((unsigned char *)p)[3] | | |
384 (((unsigned char *)p)[2] << 8) | | |
385 (((unsigned char *)p)[1] << 16) | | |
386 (((unsigned char *)p)[0] << 24); | |
387 } | |
388 | |
389 #if IN_GCC | |
390 void Module::parse(bool dump_source) | |
391 #else | |
392 void Module::parse() | |
393 #endif | |
394 { char *srcname; | |
395 unsigned char *buf; | |
396 unsigned buflen; | |
397 unsigned le; | |
398 unsigned bom; | |
399 | |
400 //printf("Module::parse()\n"); | |
401 | |
402 srcname = srcfile->name->toChars(); | |
403 //printf("Module::parse(srcname = '%s')\n", srcname); | |
404 | |
405 buf = srcfile->buffer; | |
406 buflen = srcfile->len; | |
407 | |
408 if (buflen >= 2) | |
409 { | |
410 /* Convert all non-UTF-8 formats to UTF-8. | |
411 * BOM : http://www.unicode.org/faq/utf_bom.html | |
412 * 00 00 FE FF UTF-32BE, big-endian | |
413 * FF FE 00 00 UTF-32LE, little-endian | |
414 * FE FF UTF-16BE, big-endian | |
415 * FF FE UTF-16LE, little-endian | |
416 * EF BB BF UTF-8 | |
417 */ | |
418 | |
419 bom = 1; // assume there's a BOM | |
420 if (buf[0] == 0xFF && buf[1] == 0xFE) | |
421 { | |
422 if (buflen >= 4 && buf[2] == 0 && buf[3] == 0) | |
423 { // UTF-32LE | |
424 le = 1; | |
425 | |
426 Lutf32: | |
427 OutBuffer dbuf; | |
428 unsigned *pu = (unsigned *)(buf); | |
429 unsigned *pumax = &pu[buflen / 4]; | |
430 | |
431 if (buflen & 3) | |
432 { error("odd length of UTF-32 char source %u", buflen); | |
433 fatal(); | |
434 } | |
435 | |
436 dbuf.reserve(buflen / 4); | |
437 for (pu += bom; pu < pumax; pu++) | |
438 { unsigned u; | |
439 | |
440 u = le ? readlongLE(pu) : readlongBE(pu); | |
441 if (u & ~0x7F) | |
442 { | |
443 if (u > 0x10FFFF) | |
444 { error("UTF-32 value %08x greater than 0x10FFFF", u); | |
445 fatal(); | |
446 } | |
447 dbuf.writeUTF8(u); | |
448 } | |
449 else | |
450 dbuf.writeByte(u); | |
451 } | |
452 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
453 buflen = dbuf.offset - 1; // don't include sentinel in count | |
454 buf = (unsigned char *) dbuf.extractData(); | |
455 } | |
456 else | |
457 { // UTF-16LE (X86) | |
458 // Convert it to UTF-8 | |
459 le = 1; | |
460 | |
461 Lutf16: | |
462 OutBuffer dbuf; | |
463 unsigned short *pu = (unsigned short *)(buf); | |
464 unsigned short *pumax = &pu[buflen / 2]; | |
465 | |
466 if (buflen & 1) | |
467 { error("odd length of UTF-16 char source %u", buflen); | |
468 fatal(); | |
469 } | |
470 | |
471 dbuf.reserve(buflen / 2); | |
472 for (pu += bom; pu < pumax; pu++) | |
473 { unsigned u; | |
474 | |
475 u = le ? readwordLE(pu) : readwordBE(pu); | |
476 if (u & ~0x7F) | |
477 { if (u >= 0xD800 && u <= 0xDBFF) | |
478 { unsigned u2; | |
479 | |
480 if (++pu > pumax) | |
481 { error("surrogate UTF-16 high value %04x at EOF", u); | |
482 fatal(); | |
483 } | |
484 u2 = le ? readwordLE(pu) : readwordBE(pu); | |
485 if (u2 < 0xDC00 || u2 > 0xDFFF) | |
486 { error("surrogate UTF-16 low value %04x out of range", u2); | |
487 fatal(); | |
488 } | |
489 u = (u - 0xD7C0) << 10; | |
490 u |= (u2 - 0xDC00); | |
491 } | |
492 else if (u >= 0xDC00 && u <= 0xDFFF) | |
493 { error("unpaired surrogate UTF-16 value %04x", u); | |
494 fatal(); | |
495 } | |
496 else if (u == 0xFFFE || u == 0xFFFF) | |
497 { error("illegal UTF-16 value %04x", u); | |
498 fatal(); | |
499 } | |
500 dbuf.writeUTF8(u); | |
501 } | |
502 else | |
503 dbuf.writeByte(u); | |
504 } | |
505 dbuf.writeByte(0); // add 0 as sentinel for scanner | |
506 buflen = dbuf.offset - 1; // don't include sentinel in count | |
507 buf = (unsigned char *) dbuf.extractData(); | |
508 } | |
509 } | |
510 else if (buf[0] == 0xFE && buf[1] == 0xFF) | |
511 { // UTF-16BE | |
512 le = 0; | |
513 goto Lutf16; | |
514 } | |
515 else if (buflen >= 4 && buf[0] == 0 && buf[1] == 0 && buf[2] == 0xFE && buf[3] == 0xFF) | |
516 { // UTF-32BE | |
517 le = 0; | |
518 goto Lutf32; | |
519 } | |
520 else if (buflen >= 3 && buf[0] == 0xEF && buf[1] == 0xBB && buf[2] == 0xBF) | |
521 { // UTF-8 | |
522 | |
523 buf += 3; | |
524 buflen -= 3; | |
525 } | |
526 else | |
527 { | |
528 /* There is no BOM. Make use of Arcane Jill's insight that | |
529 * the first char of D source must be ASCII to | |
530 * figure out the encoding. | |
531 */ | |
532 | |
533 bom = 0; | |
534 if (buflen >= 4) | |
535 { if (buf[1] == 0 && buf[2] == 0 && buf[3] == 0) | |
536 { // UTF-32LE | |
537 le = 1; | |
538 goto Lutf32; | |
539 } | |
540 else if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0) | |
541 { // UTF-32BE | |
542 le = 0; | |
543 goto Lutf32; | |
544 } | |
545 } | |
546 if (buflen >= 2) | |
547 { | |
548 if (buf[1] == 0) | |
549 { // UTF-16LE | |
550 le = 1; | |
551 goto Lutf16; | |
552 } | |
553 else if (buf[0] == 0) | |
554 { // UTF-16BE | |
555 le = 0; | |
556 goto Lutf16; | |
557 } | |
558 } | |
559 | |
560 // It's UTF-8 | |
561 if (buf[0] >= 0x80) | |
562 { error("source file must start with BOM or ASCII character, not \\x%02X", buf[0]); | |
563 fatal(); | |
564 } | |
565 } | |
566 } | |
567 | |
568 #ifdef IN_GCC | |
569 // dump utf-8 encoded source | |
570 if (dump_source) | |
571 { // %% srcname could contain a path ... | |
572 d_gcc_dump_source(srcname, "utf-8", buf, buflen); | |
573 } | |
574 #endif | |
575 | |
576 /* If it starts with the string "Ddoc", then it's a documentation | |
577 * source file. | |
578 */ | |
579 if (buflen >= 4 && memcmp(buf, "Ddoc", 4) == 0) | |
580 { | |
581 comment = buf + 4; | |
582 isDocFile = 1; | |
583 return; | |
584 } | |
585 if (isHtml) | |
586 { | |
587 OutBuffer *dbuf = new OutBuffer(); | |
588 Html h(srcname, buf, buflen); | |
589 h.extractCode(dbuf); | |
590 buf = dbuf->data; | |
591 buflen = dbuf->offset; | |
592 #ifdef IN_GCC | |
593 // dump extracted source | |
594 if (dump_source) | |
595 d_gcc_dump_source(srcname, "d.utf-8", buf, buflen); | |
596 #endif | |
597 } | |
598 Parser p(this, buf, buflen, docfile != NULL); | |
599 p.nextToken(); | |
600 members = p.parseModule(); | |
601 md = p.md; | |
602 numlines = p.loc.linnum; | |
603 | |
604 DsymbolTable *dst; | |
605 | |
606 if (md) | |
607 { this->ident = md->id; | |
608 dst = Package::resolve(md->packages, &this->parent, NULL); | |
609 } | |
610 else | |
611 { | |
612 dst = modules; | |
613 | |
614 /* Check to see if module name is a valid identifier | |
615 */ | |
616 if (!Lexer::isValidIdentifier(this->ident->toChars())) | |
617 error("has non-identifier characters in filename, use module declaration instead"); | |
618 } | |
619 | |
620 // Update global list of modules | |
621 if (!dst->insert(this)) | |
622 { | |
623 if (md) | |
624 error(loc, "is in multiple packages %s", md->toChars()); | |
625 else | |
626 error(loc, "is in multiple defined"); | |
627 } | |
628 else | |
629 { | |
630 amodules.push(this); | |
631 } | |
632 } | |
633 | |
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634 void Module::semantic(Scope* unused_sc) |
336 | 635 { int i; |
636 | |
637 if (semanticstarted) | |
638 return; | |
639 | |
640 //printf("+Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
641 semanticstarted = 1; | |
642 | |
643 // Note that modules get their own scope, from scratch. | |
644 // This is so regardless of where in the syntax a module | |
645 // gets imported, it is unaffected by context. | |
646 Scope *sc = Scope::createGlobal(this); // create root scope | |
647 | |
648 //printf("Module = %p, linkage = %d\n", sc->scopesym, sc->linkage); | |
649 | |
650 // Add import of "object" if this module isn't "object" | |
651 if (ident != Id::object) | |
652 { | |
653 Import *im = new Import(0, NULL, Id::object, NULL, 0); | |
654 members->shift(im); | |
655 } | |
656 | |
657 // Add all symbols into module's symbol table | |
658 symtab = new DsymbolTable(); | |
659 for (i = 0; i < members->dim; i++) | |
660 { Dsymbol *s; | |
661 | |
662 s = (Dsymbol *)members->data[i]; | |
663 s->addMember(NULL, sc->scopesym, 1); | |
664 } | |
665 | |
666 // Pass 1 semantic routines: do public side of the definition | |
667 for (i = 0; i < members->dim; i++) | |
668 { Dsymbol *s; | |
669 | |
670 s = (Dsymbol *)members->data[i]; | |
671 //printf("\tModule('%s'): '%s'.semantic()\n", toChars(), s->toChars()); | |
672 s->semantic(sc); | |
673 runDeferredSemantic(); | |
674 } | |
675 | |
676 sc = sc->pop(); | |
677 sc->pop(); | |
678 semanticdone = semanticstarted; | |
679 //printf("-Module::semantic(this = %p, '%s'): parent = %p\n", this, toChars(), parent); | |
680 } | |
681 | |
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diff
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682 void Module::semantic2(Scope* unused_sc) |
336 | 683 { int i; |
684 | |
685 if (deferred.dim) | |
686 { | |
687 for (int i = 0; i < deferred.dim; i++) | |
688 { | |
689 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
690 | |
691 sd->error("unable to resolve forward reference in definition"); | |
692 } | |
693 return; | |
694 } | |
695 //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
696 if (semanticstarted >= 2) | |
697 return; | |
698 assert(semanticstarted == 1); | |
699 semanticstarted = 2; | |
700 | |
701 // Note that modules get their own scope, from scratch. | |
702 // This is so regardless of where in the syntax a module | |
703 // gets imported, it is unaffected by context. | |
704 Scope *sc = Scope::createGlobal(this); // create root scope | |
705 //printf("Module = %p\n", sc.scopesym); | |
706 | |
707 // Pass 2 semantic routines: do initializers and function bodies | |
708 for (i = 0; i < members->dim; i++) | |
709 { Dsymbol *s; | |
710 | |
711 s = (Dsymbol *)members->data[i]; | |
712 s->semantic2(sc); | |
713 } | |
714 | |
715 sc = sc->pop(); | |
716 sc->pop(); | |
717 semanticdone = semanticstarted; | |
718 //printf("-Module::semantic2('%s'): parent = %p\n", toChars(), parent); | |
719 } | |
720 | |
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708
diff
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721 void Module::semantic3(Scope* unused_sc) |
336 | 722 { int i; |
723 | |
724 //printf("Module::semantic3('%s'): parent = %p\n", toChars(), parent); | |
725 if (semanticstarted >= 3) | |
726 return; | |
727 assert(semanticstarted == 2); | |
728 semanticstarted = 3; | |
729 | |
730 // Note that modules get their own scope, from scratch. | |
731 // This is so regardless of where in the syntax a module | |
732 // gets imported, it is unaffected by context. | |
733 Scope *sc = Scope::createGlobal(this); // create root scope | |
734 //printf("Module = %p\n", sc.scopesym); | |
735 | |
736 // Pass 3 semantic routines: do initializers and function bodies | |
737 for (i = 0; i < members->dim; i++) | |
738 { Dsymbol *s; | |
739 | |
740 s = (Dsymbol *)members->data[i]; | |
741 //printf("Module %s: %s.semantic3()\n", toChars(), s->toChars()); | |
742 s->semantic3(sc); | |
743 } | |
744 | |
745 sc = sc->pop(); | |
746 sc->pop(); | |
747 semanticdone = semanticstarted; | |
748 } | |
749 | |
750 void Module::inlineScan() | |
751 { int i; | |
752 | |
753 if (semanticstarted >= 4) | |
754 return; | |
755 assert(semanticstarted == 3); | |
756 semanticstarted = 4; | |
757 | |
758 // Note that modules get their own scope, from scratch. | |
759 // This is so regardless of where in the syntax a module | |
760 // gets imported, it is unaffected by context. | |
761 //printf("Module = %p\n", sc.scopesym); | |
762 | |
763 for (i = 0; i < members->dim; i++) | |
764 { Dsymbol *s; | |
765 | |
766 s = (Dsymbol *)members->data[i]; | |
767 //if (global.params.verbose) | |
768 //printf("inline scan symbol %s\n", s->toChars()); | |
769 | |
770 s->inlineScan(); | |
771 } | |
772 semanticdone = semanticstarted; | |
773 } | |
774 | |
775 /**************************************************** | |
776 */ | |
777 | |
580
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diff
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|
778 // is this used anywhere? |
7824c21a58e3
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parents:
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diff
changeset
|
779 /* |
336 | 780 void Module::gensymfile() |
781 { | |
782 OutBuffer buf; | |
783 HdrGenState hgs; | |
784 | |
785 //printf("Module::gensymfile()\n"); | |
786 | |
787 buf.printf("// Sym file generated from '%s'", srcfile->toChars()); | |
788 buf.writenl(); | |
789 | |
790 for (int i = 0; i < members->dim; i++) | |
791 { Dsymbol *s = (Dsymbol *)members->data[i]; | |
792 | |
793 s->toCBuffer(&buf, &hgs); | |
794 } | |
795 | |
796 // Transfer image to file | |
797 symfile->setbuffer(buf.data, buf.offset); | |
798 buf.data = NULL; | |
799 | |
800 symfile->writev(); | |
580
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parents:
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diff
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|
801 }*/ |
336 | 802 |
803 /********************************** | |
804 * Determine if we need to generate an instance of ModuleInfo | |
805 * for this Module. | |
806 */ | |
807 | |
808 int Module::needModuleInfo() | |
809 { | |
550
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parents:
510
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810 return needmoduleinfo; |
336 | 811 } |
812 | |
813 Dsymbol *Module::search(Loc loc, Identifier *ident, int flags) | |
814 { | |
815 /* Since modules can be circularly referenced, | |
816 * need to stop infinite recursive searches. | |
817 */ | |
818 | |
819 //printf("%s Module::search('%s', flags = %d) insearch = %d\n", toChars(), ident->toChars(), flags, insearch); | |
820 Dsymbol *s; | |
821 if (insearch) | |
822 s = NULL; | |
823 else if (searchCacheIdent == ident && searchCacheFlags == flags) | |
824 s = searchCacheSymbol; | |
825 else | |
826 { | |
827 insearch = 1; | |
828 s = ScopeDsymbol::search(loc, ident, flags); | |
829 insearch = 0; | |
830 | |
831 searchCacheIdent = ident; | |
832 searchCacheSymbol = s; | |
833 searchCacheFlags = flags; | |
834 } | |
835 return s; | |
836 } | |
837 | |
838 /******************************************* | |
839 * Can't run semantic on s now, try again later. | |
840 */ | |
841 | |
842 void Module::addDeferredSemantic(Dsymbol *s) | |
843 { | |
844 // Don't add it if it is already there | |
845 for (int i = 0; i < deferred.dim; i++) | |
846 { | |
847 Dsymbol *sd = (Dsymbol *)deferred.data[i]; | |
848 | |
849 if (sd == s) | |
850 return; | |
851 } | |
852 | |
853 //printf("Module::addDeferredSemantic('%s')\n", s->toChars()); | |
854 deferred.push(s); | |
855 } | |
856 | |
857 | |
858 /****************************************** | |
859 * Run semantic() on deferred symbols. | |
860 */ | |
861 | |
862 void Module::runDeferredSemantic() | |
863 { | |
864 size_t len; | |
865 | |
866 static int nested; | |
867 if (nested) | |
868 return; | |
869 //if (deferred.dim) printf("+Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
870 nested++; | |
871 | |
872 do | |
873 { | |
874 dprogress = 0; | |
875 len = deferred.dim; | |
876 if (!len) | |
877 break; | |
878 | |
879 Dsymbol **todo; | |
880 Dsymbol *tmp; | |
881 if (len == 1) | |
882 { | |
883 todo = &tmp; | |
884 } | |
885 else | |
886 { | |
887 todo = (Dsymbol **)alloca(len * sizeof(Dsymbol *)); | |
888 assert(todo); | |
889 } | |
890 memcpy(todo, deferred.data, len * sizeof(Dsymbol *)); | |
891 deferred.setDim(0); | |
892 | |
893 for (int i = 0; i < len; i++) | |
894 { | |
895 Dsymbol *s = todo[i]; | |
896 | |
897 s->semantic(NULL); | |
898 //printf("deferred: %s, parent = %s\n", s->toChars(), s->parent->toChars()); | |
899 } | |
900 //printf("\tdeferred.dim = %d, len = %d, dprogress = %d\n", deferred.dim, len, dprogress); | |
901 } while (deferred.dim < len || dprogress); // while making progress | |
902 nested--; | |
903 //printf("-Module::runDeferredSemantic('%s'), len = %d\n", toChars(), deferred.dim); | |
904 } | |
905 | |
875
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906 /************************************ |
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907 * Recursively look at every module this module imports, |
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908 * return TRUE if it imports m. |
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909 * Can be used to detect circular imports. |
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910 */ |
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911 |
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912 int Module::imports(Module *m) |
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913 { |
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914 //printf("%s Module::imports(%s)\n", toChars(), m->toChars()); |
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915 int aimports_dim = aimports.dim; |
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916 #if 0 |
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917 for (int i = 0; i < aimports.dim; i++) |
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918 { Module *mi = (Module *)aimports.data[i]; |
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919 printf("\t[%d] %s\n", i, mi->toChars()); |
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920 } |
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921 #endif |
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922 for (int i = 0; i < aimports.dim; i++) |
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923 { Module *mi = (Module *)aimports.data[i]; |
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924 if (mi == m) |
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925 return TRUE; |
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926 if (!mi->insearch) |
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927 { |
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928 mi->insearch = 1; |
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929 int r = mi->imports(m); |
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930 if (r) |
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931 return r; |
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932 } |
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933 } |
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934 return FALSE; |
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935 } |
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936 |
1103
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937 /************************************* |
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938 * Return !=0 if module imports itself. |
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939 */ |
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940 |
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941 int Module::selfImports() |
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942 { |
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943 //printf("Module::selfImports() %s\n", toChars()); |
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944 if (!selfimports) |
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945 { |
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946 for (int i = 0; i < amodules.dim; i++) |
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947 { Module *mi = (Module *)amodules.data[i]; |
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948 //printf("\t[%d] %s\n", i, mi->toChars()); |
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949 mi->insearch = 0; |
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950 } |
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951 |
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952 selfimports = imports(this) + 1; |
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953 |
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954 for (int i = 0; i < amodules.dim; i++) |
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955 { Module *mi = (Module *)amodules.data[i]; |
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956 //printf("\t[%d] %s\n", i, mi->toChars()); |
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957 mi->insearch = 0; |
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958 } |
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959 } |
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960 return selfimports - 1; |
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961 } |
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962 |
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963 |
336 | 964 /* =========================== ModuleDeclaration ===================== */ |
965 | |
966 ModuleDeclaration::ModuleDeclaration(Array *packages, Identifier *id) | |
967 { | |
968 this->packages = packages; | |
969 this->id = id; | |
970 } | |
971 | |
972 char *ModuleDeclaration::toChars() | |
973 { | |
974 OutBuffer buf; | |
975 int i; | |
976 | |
977 if (packages && packages->dim) | |
978 { | |
979 for (i = 0; i < packages->dim; i++) | |
980 { Identifier *pid = (Identifier *)packages->data[i]; | |
981 | |
982 buf.writestring(pid->toChars()); | |
983 buf.writeByte('.'); | |
984 } | |
985 } | |
986 buf.writestring(id->toChars()); | |
987 buf.writeByte(0); | |
988 return (char *)buf.extractData(); | |
989 } | |
990 | |
991 /* =========================== Package ===================== */ | |
992 | |
993 Package::Package(Identifier *ident) | |
994 : ScopeDsymbol(ident) | |
995 { | |
996 } | |
997 | |
998 | |
999 const char *Package::kind() | |
1000 { | |
1001 return "package"; | |
1002 } | |
1003 | |
1004 | |
1005 DsymbolTable *Package::resolve(Array *packages, Dsymbol **pparent, Package **ppkg) | |
1006 { | |
1007 DsymbolTable *dst = Module::modules; | |
1008 Dsymbol *parent = NULL; | |
1009 | |
1010 //printf("Package::resolve()\n"); | |
1011 if (ppkg) | |
1012 *ppkg = NULL; | |
1013 | |
1014 if (packages) | |
1015 { int i; | |
1016 | |
1017 for (i = 0; i < packages->dim; i++) | |
1018 { Identifier *pid = (Identifier *)packages->data[i]; | |
1019 Dsymbol *p; | |
1020 | |
1021 p = dst->lookup(pid); | |
1022 if (!p) | |
1023 { | |
1024 p = new Package(pid); | |
1025 dst->insert(p); | |
1026 p->parent = parent; | |
1027 ((ScopeDsymbol *)p)->symtab = new DsymbolTable(); | |
1028 } | |
1029 else | |
1030 { | |
1031 assert(p->isPackage()); | |
1032 if (p->isModule()) | |
1033 { p->error("module and package have the same name"); | |
1034 fatal(); | |
1035 break; | |
1036 } | |
1037 } | |
1038 parent = p; | |
1039 dst = ((Package *)p)->symtab; | |
1040 if (ppkg && !*ppkg) | |
1041 *ppkg = (Package *)p; | |
1042 } | |
1043 if (pparent) | |
1044 { | |
1045 *pparent = parent; | |
1046 } | |
1047 } | |
1048 return dst; | |
1049 } |